Center titles on all my pages in twenty ten

I'm in the process of building my site. I've figured out how to center the title in CSS for my first page; however, I can't figure out how to do it for subsequent pages. Can anyone help me? I'm new to this process and my website is very much a work-in-progress. Thank you.

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Looks like titles are setup in h1 on some pages and h2 on others, but all of them use a class of "entry-title" and so you can use that instead. The following CSS will center titles on both posts and pages in the Twenty Ten theme inside the page content area: